Water

Where is freshwater found?

• glaciers
• rivers
• underground
• all of the above

What percentage of Earth's water is saltwater?

• 3 percent
• 100 percent
• 97 percent
• 50 percent

Why is it important to know water quality?

• to keep people safe
• to keep living things healthy
• both of these
• none of these

Which of these may lead to a lot of bacteria in seawater?

• dog poop
• potato chips
• fresh water
• glaciers

Which of these is a common pollutant found on beaches in America?

• keys
• cigarettes
• shoes
• towels

Which of these are positive actions humans can take to impact water quality?

• use reusable plastic bottles
• recycling
• beach clean-ups
• all of the above

What is water that flows over land and into a body of water called?

• rain water
• storm drains
• surface runoff
• river flow

What is an area of land that drains into a body of water called?

• watering hole
• watershed
• land drain
• storm drain

Why is it NOT safe to drink water from your own homemade water filter?

• bacteria might still be in it
• the water was filtered too quickly
• it needs to go through the filter twice
• none of the above

What do blooms of algae in water use up that causes other life not to be able to survive?

• oxygen
• energy
• minerals
• food